aesthetascA specialized organ used to determine the concentration and direction of a smell.
aestheteSomeone who cultivates an unusually high sensitivity to beauty, as in art or nature, often in a manner perceived to prioritize beauty over other qualities such as virtue and utility.
aestheticConcerned with beauty, artistic effect, or appearance.
aethaliumA flat, plump fruiting body, formed by the aggregation of plasmodia, in certain slime molds.
aethalometerAn instrument that measures the amount of black particulates in air or other gas
AethelredA male given name of historical usage, notably borne by Aethelred I, King of Wessex between 865 and his death in 871.
aetheogamA cryptogam; a plant of the obsolete taxonomic class Cryptogamia, having neither stamina nor pistils, and therefore no proper flowers, such as an alga, fern, fungus, lichen or moss.
AetiusA transliteration of the Ancient Greek male given name Ἀέτιος (Aétios), Aetius.
AetnaA nymph in Sicily who, according to legend, gave her name to the volcanic Mount Etna.
aetokthonotoxinA bromated toxin produced by cyanobacteria, Aetokthonos hydrillicola, that kills birds through AVM (“avian vacuolar myelinopathy”).
AetoliaA mountainous region of Greece on the north coast of the Gulf of Corinth, forming the eastern part of the modern prefecture of Aetolia-Acarnania.
aetonormativeExhibiting aetonormativity; setting up one particular age group (typically adults) as a norm.
aetonormativityAny assumption of an age-based norm and particularly the assumption that adults and adult experiences are normative while children and childish experiences are consequently deviant or other.
aetosaurAny of an extinct group of heavily armoured herbivorous archosaurian reptiles, of the order †Aetosauria.
aetosaurineA member of the sufamily Aetosaurinae, of the family Stagonolepididae.
AETRThe European arrangement in regard to the work of driving personnel engaged in international traffic.
aettA division of the runic alphabet containing eight runes.
aeviternalPertaining to aeviternity, a state between eternity, which is unchanging and outside of time, and temporality, which is subject to change and to death or annihilation. Things aeviternal are creations, like the temporal, but everlasting, like the eternal.
aeviternitySynonym of eternity (“existence without end”).
aevumThe temporal mode of existence between time and eternity, said to be experienced by angels, saints, and celestial bodies (which medieval astronomy believed to be unchanging).
afA native African (not white-skinned) in Rhodesia.
afalinaA Black Sea bottlenose dolphin; Tursiops truncatus.
afamA foreigner in the Philippines (usually male).
afamelanotideA synthetic analogue of the naturally-occurring melanocortin peptide hormone alpha-melanocyte stimulating hormone (α-MSH) that has been shown to induce skin pigmentation through melanogenesis.
AfanasyA transliteration of the Russian male given name Афана́сий (Afanásij).
afancA lake monster in Welsh mythology, described variously as resembling a crocodile, beaver or dwarf-like creature, and sometimes said to be a demon.
afarA member of the people who speak this language and reside in these regions.